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Finding the Fourth Proportional to 39,665.91, 59,460.91 and 14,699.25

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Solution

The fourth proportional to 39,665.91, 59,460.91 and 14,699.25 is: 22,034.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,665.91 : 59,460.91 = 14,699.25 : x
  2. Step 2: Convert to fraction form
    39,665.91/59,460.91 = 14,699.25/x
  3. Step 3: Cross multiply
    39,665.91x = 59,460.91 × 14,699.25
  4. Step 4: Simplify right side
    39,665.91x = 874,030,781.32
  5. Step 5: Solve for x
    x = 874,030,781.32/39,665.91
  6. Step 6: Final answer
    x = 22,034.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.